【单选题】

Questions 1 to 3 are based on the following conversation.At the end of the conversation, you will be given 15 seconds to answer the questions.

Now, listen to the conversation.
What’s the aim of the 14th InternationalAIDSConferenceA．To offer aids to the poor countries stricken byAIDS.
B．To ensure the operation of separating.
C．To popularize the mandatory testing.
D．To enhance people’s awareness of the threat ofAIDS to the society.